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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
/*
* Copyright (c) 2007 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef MLX4_ABI_USER_H
#define MLX4_ABI_USER_H
#include <linux/types.h>
/*
* Increment this value if any changes that break userspace ABI
* compatibility are made.
*/
#define MLX4_IB_UVERBS_NO_DEV_CAPS_ABI_VERSION 3
#define MLX4_IB_UVERBS_ABI_VERSION 4
/*
* Make sure that all structs defined in this file remain laid out so
* that they pack the same way on 32-bit and 64-bit architectures (to
* avoid incompatibility between 32-bit userspace and 64-bit kernels).
* In particular do not use pointer types -- pass pointers in __u64
* instead.
*/
struct mlx4_ib_alloc_ucontext_resp_v3 {
__u32 qp_tab_size;
__u16 bf_reg_size;
__u16 bf_regs_per_page;
};
struct mlx4_ib_alloc_ucontext_resp {
__u32 dev_caps;
__u32 qp_tab_size;
__u16 bf_reg_size;
__u16 bf_regs_per_page;
__u32 cqe_size;
};
struct mlx4_ib_alloc_pd_resp {
__u32 pdn;
__u32 reserved;
};
struct mlx4_ib_create_cq {
__u64 buf_addr;
__u64 db_addr;
};
struct mlx4_ib_create_cq_resp {
__u32 cqn;
__u32 reserved;
};
struct mlx4_ib_resize_cq {
__u64 buf_addr;
};
struct mlx4_ib_create_srq {
__u64 buf_addr;
__u64 db_addr;
};
struct mlx4_ib_create_srq_resp {
__u32 srqn;
__u32 reserved;
};
struct mlx4_ib_create_qp_rss {
__u64 rx_hash_fields_mask;
__u8 rx_hash_function;
__u8 reserved[7];
__u8 rx_hash_key[40];
__u32 comp_mask;
__u32 reserved1;
};
struct mlx4_ib_create_qp {
__u64 buf_addr;
__u64 db_addr;
__u8 log_sq_bb_count;
__u8 log_sq_stride;
__u8 sq_no_prefetch;
__u8 reserved;
__u32 inl_recv_sz;
};
struct mlx4_ib_create_wq {
__u64 buf_addr;
__u64 db_addr;
__u8 log_range_size;
__u8 reserved[3];
__u32 comp_mask;
};
struct mlx4_ib_modify_wq {
__u32 comp_mask;
__u32 reserved;
};
struct mlx4_ib_create_rwq_ind_tbl_resp {
__u32 response_length;
__u32 reserved;
};
/* RX Hash function flags */
enum mlx4_ib_rx_hash_function_flags {
MLX4_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0,
};
/*
* RX Hash flags, these flags allows to set which incoming packet's field should
* participates in RX Hash. Each flag represent certain packet's field,
* when the flag is set the field that is represented by the flag will
* participate in RX Hash calculation.
*/
enum mlx4_ib_rx_hash_fields {
MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0,
MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1,
MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2,
MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3,
MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4,
MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5,
MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6,
MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7
};
#endif /* MLX4_ABI_USER_H */
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